GB1304134A - - Google Patents

Info

Publication number
GB1304134A
GB1304134A GB2576471*A GB2576471A GB1304134A GB 1304134 A GB1304134 A GB 1304134A GB 2576471 A GB2576471 A GB 2576471A GB 1304134 A GB1304134 A GB 1304134A
Authority
GB
United Kingdom
Prior art keywords
head
gate
signals
level control
compared
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2576471*A
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1304134A publication Critical patent/GB1304134A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/06—Diagnosis, testing or measuring for television systems or their details for recorders
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • G11B15/14—Masking or switching periodically, e.g. of rotating heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/793—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Television Signal Processing For Recording (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
GB2576471*A 1970-03-25 1971-04-19 Expired GB1304134A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45025447A JPS4932445B1 (es) 1970-03-25 1970-03-25

Publications (1)

Publication Number Publication Date
GB1304134A true GB1304134A (es) 1973-01-24

Family

ID=12166250

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2576471*A Expired GB1304134A (es) 1970-03-25 1971-04-19

Country Status (3)

Country Link
US (1) US3732361A (es)
JP (1) JPS4932445B1 (es)
GB (1) GB1304134A (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5549479B2 (es) * 1973-06-08 1980-12-12
JP3148814B2 (ja) * 1990-02-06 2001-03-26 株式会社日立製作所 磁気記録再生装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3381083A (en) * 1965-03-12 1968-04-30 Ampex Magnetic recorder equalization system having continually adjusted compensation
US3519761A (en) * 1968-03-07 1970-07-07 Ampex Record excitation optimization method and apparatus for rotary head magnetic tape recorders
JPS4831242A (es) * 1971-08-25 1973-04-24

Also Published As

Publication number Publication date
JPS4932445B1 (es) 1974-08-30
US3732361A (en) 1973-05-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees